Galium mexicanum

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Lamiids
Ordo: Gentianales

Familia: Rubiaceae
Subfamilia: Rubioideae
Tribus: Rubieae
Genus: Galium
Species: Galium mexicanum
Name

Galium mexicanum Kunth
References

F. W. H. A. von Humboldt et al., Nov. gen. sp. 3:264[folio]; 3:337[quarto]. 1819
USDA, ARS, Germplasm Resources Information Network. Galium mexicanum in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Galium mexicanum (Mexican bedstraw) is a species of plant in the family Rubiaceae. It has a widespread distribution from British Columbia south to Ecuador.[1][2][3]
Subspecies

Four subspecies are currently recognized (May 2014):[1]

Galium mexicanum subsp. asperrimum (A.Gray) Dempster - from Washington state to northern Mexico
Galium mexicanum subsp. asperulum (A.Gray) Dempster - British Columbia, Montana, Washington, Oregon, California, Nevada
Galium mexicanum subsp. flexicum Dempster - Texas and Coahuila
Galium mexicanum subsp. mexicanum - from Texas to Ecuador

References

Kew World Checklist of Selected Plant Families
Biota of North America Program
Humboldt, Friedrich Wilhelm Heinrich Alexander von, Bonpland, Aimé Jacques Alexandre & Kunth, Karl Sigismund. 1818. Nova Genera et Species Plantarum (quarto ed.) 3: 337.